Motion detectors and occupancy sensors with improved sensitivity, angular resolution and range
First Claim
Patent Images
1. An infrared input section for motion detectors, occupancy sensors and other similar systems comprising:
- a first lens array of one or more elements, at least one element being positioned to receive and at least partially focus incident infrared radiation;
a second lens array including a plurality of elements, at least one element being positioned to receive and focus the partially focused infrared radiation; and
at least one detector positioned to receive the infrared radiation focused by the second lens array.
1 Assignment
0 Petitions
Accused Products
Abstract
Apparatus for improving the sensitivity, angular resolution and range of motion detectors, occupancy sensors and similar systems include an improved infrared input section which employs at least one additional lens, possibly segmented, before a lens array. This pre-focusing lens collects and at least partially focuses incident infrared radiation onto at least one element of the lens array. The lens array focuses the radiation onto a detector.
-
Citations
30 Claims
-
1. An infrared input section for motion detectors, occupancy sensors and other similar systems comprising:
-
a first lens array of one or more elements, at least one element being positioned to receive and at least partially focus incident infrared radiation;
a second lens array including a plurality of elements, at least one element being positioned to receive and focus the partially focused infrared radiation; and
at least one detector positioned to receive the infrared radiation focused by the second lens array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An infrared input section for motion detectors, occupancy sensors and other similar systems comprising:
-
at least one mirror positioned adjacent to an infrared entrance aperture, the at least one mirror directing and optionally partially focusing incident infrared radiation;
a first lens array of one or more elements, at least one element positioned to receive and focus incident infrared radiation directed by the at least one mirror;
a second lens array including a plurality of elements, at least one element being positioned to receive and further focus infrared radiation focused by the first lens array; and
at least one detector positioned to receive infrared radiation focused by the second lens array. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. An infrared input section for motion detectors, occupancy sensors and other similar systems comprising:
-
a first lens array of one or more elements, at least one element being positioned to receive and at least partially focus incident infrared radiation;
at least one mirror positioned to reflect infrared radiation partially focused by the first lens array;
a second lens array including a plurality of elements, at least one element being positioned to receive and further focus infrared radiation reflected by the at least one mirror; and
at least one detector positioned to receive infrared radiation focused by the second lens array. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
-
Specification